category_file.php

<?php

header('Content-disposition: attachment; filename=category_file.txt');
header('Content-type: text/plain');

//atrod visus xml failus
$directory="faili/gatavie";
$files=array();
$extensions=array("xml");
$new_dirs=array($directory);
//izpilda ciklu kamēr ir atrastas jaunas direktorijas
while(!empty($new_dirs))
{	
	$dirs=$new_dirs;
	$new_dirs=array();
	//iet cauri visām atrastajām direktorijām
	foreach($dirs as $dir)
	{
		$file = scandir($dir);
		
		//iet cauri visiem failiem direktorijā
		foreach($file as $this_file) {
			
			if( is_dir("$dir/$this_file" ) ) //ja atrasta direktorija, peivieno to direktoriju sarakstam
			{
				if( $this_file != "." && $this_file != ".." ) //izvairāmies no ieciklošanās .. un . gadījumā
				{
					$new_dirs[] = "$dir/$this_file";
				}
			}
			else //ja atrada failu 
			{
				$ext = substr($this_file, strrpos($this_file, ".") + 1); 
				if(in_array($ext, $extensions) ) //ja faili ar šādu paplašinājumu ir jāapstrādā, pievieno to failu sarakstam
				{
					$files[] = "$dir/$this_file";
				}
			}
		}
	}
}

$cats=Array();
$sentence_cats=Array();
foreach($files as $file)
{
	if(!file_exists($file))
	{
		//echo "Nevar atvērt ".$file."<br />";
		continue;
	}
	
	$saturs=file_get_contents($file);

	$DOMdoc = new DOMDocument();
	if(!@$DOMdoc->loadXML($saturs))
	{
		//echo "Nevar atvērt ".$file."<br />";
		continue;
	}
	$DOMPath = new DOMXPath( $DOMdoc );
	$categories=$DOMPath->query("//CATEGORY");
	foreach($categories AS $category)
	{
		$key=$file;
		if(!isset($cats[$key]))
		{
			$cats[$key]=array();
		}
		$cats[$key][]=array(
			'id'=>$category->getAttribute("id"),
			'name'=>$category->nodeValue
		);
	}
	
	$sentence_categories=$DOMPath->query("//SENTENCE_CATEGORY");
	foreach($sentence_categories AS $sentence_category)
	{
		$key=mb_strtolower($sentence_category->nodeValue, 'UTF-8');
		if(!isset($sentence_cats[$key]))
		{
			$sentence_cats[$key]=array();
			$sentence_cats[$key]['id']=$sentence_category->getAttribute("id");
			$sentence_cats[$key]['name']=$sentence_category->nodeValue;
			$sentence_cats[$key]['files']=array();
		}
		$sentence_cats[$key]['files'][]=$file;
		
	}
}

ksort($sentence_cats);

foreach($sentence_cats AS $s)
{
	foreach($s['files'] AS $f)
	{
		echo $s['name']."\t".$f."\t";
		foreach($cats[$f] AS $v)
		{
			echo $v['name'].', ';
		}
		echo "\n";
	}
}

?>